CFCallsignFinder

Search Watchlist

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

© 2026 CallsignFinder. All rights reserved.

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/K0TDR

← Back to results

K0TDR

Active1x3District 0

Competitive callsign — 2 applications filed with the FCC.

License HolderRobason, Troy D

License ClassGeneral

Min. Class RequiredGeneral

LocationSheridan, WY

Grant DateMar 28, 2017

Expiration DateMar 28, 2027

K0TDR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Robason, Troy D in Sheridan, WY. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Robason, Troy D on Mar 9, 2017. K0TDR has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- ----- - -.. .-.

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Zero Tango Delta Romeo

Readability: 7/10(Good readability)

License History

License ModifiedMay 4, 2021
Administrative Update AppliedNov 1, 2019
License IssuedMar 28, 2017
Vanity Callsign GrantedMar 28, 2017

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Robason, Troy DFiled Mar 9, 2017
Not awardedFCC ↗
Roofener, Tamara DFiled Mar 28, 2011
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K0TDP K0TDU →

FCC data as of Sep 3, 2026

K0TDR FCC Vanity Status: 2 Competing Applications & History